Multiple Threads for Junit Classes

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sakcee@gmail.com - 28 Apr 2007 15:35 GMT

I was wondering if any one has experience in which multiple Junit
classeshas to be run concurrently and not in a sequential way(or
whichever way Junit runs). As I understand Junit just scans/gatters
all the files for testcases and run then one by one , it also
introduces its @Before, @After etc tags which do not work as normal
class or object hierarchies e.g. I am not sure but it seems like
events that are triggered instead of object creations.

Now I want to run different threads of junit classes in same JVM. is
there a way? Right now I am using a JUnitCore object and running each
class with it. and making one thread run one JunitCore. is this
correct?

any help is greatly appreciated , as I have read some junit books and
this information is available nowhere. also the structure of JUnit is
also not clear.

thanks

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Arne Vajhøj - 28 Apr 2007 18:27 GMT

> I was wondering if any one has experience in which multiple Junit
> classeshas to be run concurrently and not in a sequential way(or
[quoted text clipped - 12 lines]
> this information is available nowhere. also the structure of JUnit is
> also not clear.

I think running multiple unit tests in parallel to find
bugs is the proper way of doing it.

I think it would be better to have one unit tests that
tested the thread safeness of the code using multiple
threads.

Arne

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Patricia Shanahan - 28 Apr 2007 18:45 GMT

>> I was wondering if any one has experience in which multiple Junit
>> classeshas to be run concurrently and not in a sequential way(or
[quoted text clipped - 15 lines]
> I think running multiple unit tests in parallel to find
> bugs is the proper way of doing it.

Did you mean "I don't think running multiple ..."? If so, I would agree.

> I think it would be better to have one unit tests that
> tested the thread safeness of the code using multiple
> threads.

Or, of course, several consecutive tests each of which tests its own
combination of number of threads, initial settings of any random number
generators etc.

Patricia

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Arne Vajhøj - 28 Apr 2007 19:33 GMT

>> I think running multiple unit tests in parallel to find
>> bugs is the proper way of doing it.
>
> Did you mean "I don't think running multiple ..."?

Yes.

Arne

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Multiple Threads for Junit Classes

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